/* ==========================================================================
   STYLE.CSS - UNION RÉGIONALE DES FOYERS RURAUX D'AUVERGNE
   Feuille de style institutionnelle - Association Loi 1901
   ========================================================================== */

:root {
  --color-primary: #002366;       /* Bleu Royal Institutionnel */
  --color-primary-dark: #001744;  /* Bleu Nuit Profond */
  --color-accent: #FFD700;        /* Or Profond Républicain */
  --color-accent-hover: #E5C100;
  --color-bg-light: #F4F6F9;      /* Gris Technique Léger */
  --color-bg-white: #FFFFFF;
  --color-text-dark: #1A202C;
  --color-text-muted: #4A5568;
  --color-border: #E2E8F0;
  --color-border-dark: #CBD5E0;
  --color-success: #22543D;
  --color-success-bg: #C6F6D5;
  --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.12);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --container-width: 1200px;
}

/* Reset & Normalisation */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-base);
  color: var(--color-text-dark);
  background-color: var(--color-bg-white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
}

/* Typography Scale */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; margin-top: 1.5rem; border-bottom: 2px solid var(--color-bg-light); padding-bottom: 0.5rem; }
h3 { font-size: 1.35rem; margin-top: 1.25rem; }
h4 { font-size: 1.15rem; }

p {
  margin-bottom: 1.15rem;
  color: var(--color-text-muted);
}

ul, ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
  color: var(--color-text-muted);
}

li {
  margin-bottom: 0.5rem;
}

/* Layout Container */
.container {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ==========================================================================
   DOUBLE-DECKER HEADER
   ========================================================================== */

/* Row 1: Top Utility Strip */
.top-utility-strip {
  background: var(--color-bg-light);
  color: #333333;
  height: 42px;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  border-bottom: 1px solid var(--color-border);
}

.utility-left {
  display: flex;
  align-items: center;
  gap: 15px;
}

.rna-badge {
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.utility-status {
  color: #555555;
}

.utility-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.search-sim {
  display: flex;
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 3px 8px;
}

.search-sim input {
  border: none;
  font-size: 12px;
  outline: none;
  background: transparent;
  color: #333333;
  width: 140px;
}

.search-sim button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-primary);
  font-size: 12px;
  padding: 0 4px;
}

.lang-toggle {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
}

/* Row 2: Main Navigation Bar */
.main-nav-bar {
  background: #ffffff;
  border-bottom: 2px solid var(--color-primary);
  position: sticky;
  top: 0;
  z-index: 999;
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.site-brand {
  display: flex;
  flex-direction: column;
}

.site-brand a {
  text-decoration: none;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  text-transform: uppercase;
  line-height: 1.15;
}

.brand-subtitle {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-top: 2px;
}

/* Nav Menu & Hover Dropdowns */
.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 10px 14px;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.nav-link:hover,
.nav-item:hover > .nav-link {
  background-color: var(--color-bg-light);
  color: var(--color-primary-dark);
  text-decoration: none;
}

.dropdown-arrow {
  font-size: 10px;
  transition: transform 0.2s ease;
}

.nav-item:hover .dropdown-arrow {
  transform: rotate(180deg);
}

/* Dropdown Sub-menu */
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 290px;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  box-shadow: var(--shadow-lg);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  padding: 8px 0;
  list-style: none;
  z-index: 9999;
}

.nav-item:hover .dropdown-menu {
  display: block;
}

.dropdown-item {
  margin: 0;
}

.dropdown-link {
  display: block;
  padding: 10px 20px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-dark);
  text-decoration: none;
  transition: all 0.15s ease;
}

.dropdown-link:hover {
  background-color: var(--color-bg-light);
  color: var(--color-primary);
  padding-left: 24px;
  text-decoration: none;
}

/* Header Contact Button */
.btn-nav-contact {
  background: var(--color-primary);
  color: #ffffff !important;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  transition: all 0.2s ease;
  border: 2px solid var(--color-primary);
}

.btn-nav-contact:hover {
  background: var(--color-accent);
  color: var(--color-primary-dark) !important;
  border-color: var(--color-accent);
  text-decoration: none;
}

/* Mobile Nav Toggle */
.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1.2rem;
  color: var(--color-primary);
}

/* ==========================================================================
   COMMON COMPONENTS & HEROES
   ========================================================================== */

.page-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #ffffff;
  padding: 48px 0;
  margin-bottom: 40px;
  border-bottom: 4px solid var(--color-accent);
}

.page-header h1 {
  color: #ffffff;
  margin-bottom: 12px;
}

.page-header p {
  color: #E2E8F0;
  font-size: 1.15rem;
  max-width: 800px;
  margin-bottom: 0;
}

.hero-framework {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin: 30px 0 40px;
  position: relative;
  overflow: hidden;
}

.hero-framework h1 {
  font-size: 2.35rem;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.hero-summary-2sent {
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--color-primary-dark);
  font-weight: 500;
  background: #ffffff;
  padding: 18px 22px;
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none !important;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  min-height: 44px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff !important;
  border: 2px solid var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-primary-dark) !important;
  border: 2px solid var(--color-accent);
}

.btn-accent:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary) !important;
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: #ffffff !important;
}

/* Two-Column Grid (3fr main / 1fr siderail) */
.two-column-layout {
  display: grid;
  grid-template-columns: 3fr 1.15fr;
  gap: 36px;
  margin-bottom: 48px;
}

.main-column {
  min-width: 0;
}

.side-rail {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  height: fit-content;
}

.side-rail h3 {
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 8px;
  margin-top: 0;
  margin-bottom: 16px;
  font-size: 1.15rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.stat-item {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 14px;
  text-align: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

/* Institutional Notice & Disclosures */
.notice-box {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-left: 5px solid var(--color-primary);
  border-radius: var(--radius-sm);
  padding: 20px;
  margin: 24px 0;
}

.notice-box.notice-accent {
  border-left-color: var(--color-accent);
  background: #FFFDF0;
}

.notice-title {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.reinvestment-banner {
  background: #EBF8FF;
  border: 1px solid #BEE3F8;
  border-radius: var(--radius-md);
  padding: 20px;
  margin: 30px 0;
  text-align: center;
  font-weight: 600;
  color: #2B6CB0;
}

.reinvestment-banner strong {
  color: var(--color-primary);
  font-size: 1.05rem;
  display: block;
  margin-bottom: 6px;
}

/* Cards & Grid Systems */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 28px 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin: 28px 0;
}

.card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.card img {
  margin-bottom: 16px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  width: 100%;
}

.card-tag {
  display: inline-block;
  background: var(--color-bg-light);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

.tag-active {
  background: var(--color-success-bg);
  color: var(--color-success);
}

/* Roadmap 3-Step */
.roadmap-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 30px 0;
}

.roadmap-step {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  position: relative;
}

.step-badge {
  background: var(--color-primary);
  color: #ffffff;
  font-weight: 800;
  font-size: 0.9rem;
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

/* Tables (Financial & Commitments) */
.table-container {
  overflow-x: auto;
  margin: 24px 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.institutional-table {
  width: 100%;
  border-collapse: collapse;
  background: #ffffff;
  font-size: 0.92rem;
}

.institutional-table th {
  background: var(--color-bg-light);
  color: var(--color-primary);
  font-weight: 700;
  text-align: left;
  padding: 14px 18px;
  border-bottom: 2px solid var(--color-border);
}

.institutional-table td {
  padding: 12px 18px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-dark);
}

.institutional-table tr:last-child td {
  border-bottom: none;
}

.institutional-table tr:hover {
  background: #F8FAFC;
}

.table-highlight {
  background: #FFFDF0 !important;
  font-weight: 700;
}

/* Forms */
.form-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  margin: 24px 0;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  font-size: 0.95rem;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--color-text-dark);
  font-family: inherit;
  transition: border-color 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 35, 102, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  background: var(--color-primary-dark);
  color: #E2E8F0;
  padding: 50px 0 20px;
  margin-top: 60px;
  border-top: 4px solid var(--color-accent);
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1.2fr 1.2fr 1.5fr;
  gap: 36px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.05rem;
  margin-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  padding-bottom: 8px;
}

.footer-col p {
  color: #CBD5E0;
  font-size: 0.88rem;
  line-height: 1.6;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  color: #E2E8F0;
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer-col a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.footer-legal-notice {
  background: rgba(0, 0, 0, 0.25);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 24px;
  border-left: 3px solid var(--color-accent);
}

.footer-legal-notice p {
  font-size: 0.82rem;
  color: #E2E8F0;
  margin: 0;
  line-height: 1.55;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 0.82rem;
  color: #A0AEC0;
}

.footer-bottom-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.footer-bottom-links a {
  color: #CBD5E0;
}

.footer-bottom-links a:hover {
  color: var(--color-accent);
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES (992px & 768px)
   ========================================================================== */

@media (max-width: 992px) {
  .nav-container {
    height: auto;
    padding: 15px 0;
    flex-wrap: wrap;
  }

  .nav-menu {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    margin-top: 15px;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 10px;
  }

  .nav-menu.is-active {
    display: flex;
  }

  .nav-item {
    width: 100%;
  }

  .dropdown-menu {
    position: static;
    box-shadow: none;
    border: none;
    border-left: 2px solid var(--color-primary);
    padding-left: 15px;
    margin-top: 4px;
    margin-bottom: 6px;
  }

  .nav-item:hover .dropdown-menu {
    display: block;
  }

  .mobile-toggle {
    display: block;
  }

  .two-column-layout {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .roadmap-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .top-utility-strip {
    height: auto;
    padding: 8px 15px;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .utility-right {
    width: 100%;
    justify-content: space-between;
  }

  .search-sim input {
    width: 100px;
  }

  h1 { font-size: 1.85rem; }
  h2 { font-size: 1.45rem; }
  
  .hero-framework {
    padding: 24px 16px;
  }

  .grid-3, .grid-2 {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .btn {
    width: 100%;
  }

  .hero-ctas {
    flex-direction: column;
  }
}